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Finding the Fourth Proportional to 124,289.52, 171,541.76 and 73,299.12

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Solution

The fourth proportional to 124,289.52, 171,541.76 and 73,299.12 is: 101,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,289.52 : 171,541.76 = 73,299.12 : x
  2. Step 2: Convert to fraction form
    124,289.52/171,541.76 = 73,299.12/x
  3. Step 3: Cross multiply
    124,289.52x = 171,541.76 × 73,299.12
  4. Step 4: Simplify right side
    124,289.52x = 12,573,860,051.25
  5. Step 5: Solve for x
    x = 12,573,860,051.25/124,289.52
  6. Step 6: Final answer
    x = 101,165.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.